Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
September experiences an average high-temperature of a still moderately hot 74.3°F (23.5°C), barely different from August's 79.2°F (26.2°C). In Somers, the expected average low-temperature for September is a cool 55.2°F (12.9°C).Humidity
In Somers, the average relative humidity in September is 75%.Rainfall
In Somers, during September, the rain falls for 12.2 days and regularly aggregates up to 2.56" (65mm) of precipitation. In Somers, during the entire year, the rain falls for 128 days and collects up to 26.18" (665mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 28min.On the first day of the month, sunrise is at 6:43 am and sunset at 7:51 pm. On the last day of September, sunrise is at 7:14 am and sunset at 7:00 pm CDT.
Sunshine
In September, the average sunshine is 9.2h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow in Somers?
Does it snow in September?
How many hours of daylight does Somers have in September?
When is the sunrise / sunset in September in Somers?
How many hours of sunshine does Somers have in September?
What is the UV index reading in September?
Average temperature in September
Somers, IA
- Average high temperature in September: 74.3°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (25.2°F).
- Average low temperature in September: 55.2°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (12.7°F).
Average pressure in September
Somers, IA
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Somers, IA
- Average wind speed in September: 8.5mph
The windiest months (with the highest average wind speed) are January and April (10.9mph).
The calmest month (with the lowest average wind speed) is July (7.2mph).
Average humidity in September
Somers, IA
- Average humidity in September: 75%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are April and October (68%).
Average rainfall in September
Somers, IA
- Average rainfall in September: 2.56"
The wettest month (with the highest rainfall) is June (3.98").
The driest month (with the least rainfall) is January (0.91").
Average rainfall days in September
Somers, IA
- Average rainfall days in September: 12.2 days
The month with the highest number of rainy days is June (17.6 days).
The month with the least rainy days is February (3 days).
Average snowfall in September
Somers, IA
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.31").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Somers, IA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Somers, IA
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 9h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in September
Somers, IA
- Average sunshine days in September: 16.6 days
The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is June (9.9 days).
Average UV index in September
Somers, IA
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in September
Somers, IA
- Average cloud cover in September: 30
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are July and September (Cloud cover 30).
Average visibility in September
Somers, IA
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Somers, Iowa, USA
Weather forecast for your location
2. Allow the app to use your location